In this note, I will recall the scientific context in which Luigi Rodino and I started our research at the beginning of the seventies and collaborated. The focus is on the hypoellipticity question and a specific ten years period. I do not pretend to be exhaustive.

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Microlocal Hypoellipticity in the Seventies

  • B. Helffer

摘要

In this note, I will recall the scientific context in which Luigi Rodino and I started our research at the beginning of the seventies and collaborated. The focus is on the hypoellipticity question and a specific ten years period. I do not pretend to be exhaustive.